Gene Simmons is among the Age of Empires II players representing Czechia. 93 matches of Age of Empires II are on Gene Simmons's record. The majority of Gene Simmons's matches are in the unranked mode.

Gene Simmons sticks to unranked or casual play, having never entered ranked. Gene Simmons picks Bohemians more than any other civilization—68.8% of the time. With a 57.4% win rate over 61 matches, Bohemians is Gene Simmons's strongest civilization.

When playing flank, Gene Simmons wins 61.0% of the time (41 matches total).